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320204134103 = 7210388771527
BaseRepresentation
bin1001010100011011010…
…01110101011011010111
31010121111120120101100012
410222031221311123113
520221234224242403
6403033313510435
732063646142400
oct4521551653327
91117446511305
10320204134103
11113885982297
125208387241b
132426c8aa449
14116d85a49a7
1584e12eded8
hex4a8da756d7

320204134103 has 24 divisors (see below), whose sum is σ = 376527969792. Its totient is φ = 271485802224.

The previous prime is 320204134057. The next prime is 320204134123. The reversal of 320204134103 is 301431402023.

It is not a de Polignac number, because 320204134103 - 226 = 320137025239 is a prime.

It is a super-4 number, since 4×3202041341034 (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320204134123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4440926 + ... + 4512452.

It is an arithmetic number, because the mean of its divisors is an integer number (15688665408).

Almost surely, 2320204134103 is an apocalyptic number.

320204134103 is a deficient number, since it is larger than the sum of its proper divisors (56323835689).

320204134103 is a wasteful number, since it uses less digits than its factorization.

320204134103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72531 (or 72524 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320204134103 its reverse (301431402023), we get a palindrome (621635536126).

The spelling of 320204134103 in words is "three hundred twenty billion, two hundred four million, one hundred thirty-four thousand, one hundred three".

Divisors: 1 7 49 103 721 887 5047 6209 43463 71527 91361 500689 639527 3504823 4476689 7367281 51570967 63444449 360996769 444111143 3108778001 6534778247 45743447729 320204134103